Sensores de nível de interface água-óleo em fibra óptica baseados em grades de Bragg

Página do item simplificado
dc.contributor.advisor-co1Co-orientador1
dc.contributor.advisor-co1IDhttps://orcid.org/
dc.contributor.advisor-co1Latteshttp://lattes.cnpq.br/
dc.contributor.advisor-co2Co-orientador2
dc.contributor.advisor-co2IDhttps://orcid.org/
dc.contributor.advisor-co2Latteshttp://lattes.cnpq.br/
dc.contributor.advisor-co3Co-orientador3
dc.contributor.advisor-co3IDhttps://orcid.org/
dc.contributor.advisor-co3Latteshttp://lattes.cnpq.br/
dc.contributor.advisor-co4Co-orientador4
dc.contributor.advisor-co4IDID do co-orientador4
dc.contributor.advisor-co4LattesLattes do co-orientador4
dc.contributor.advisor1Orientador1
dc.contributor.advisor1IDhttps://orcid.org/
dc.contributor.advisor1Latteshttp://lattes.cnpq.br/
dc.contributor.advisor2Orientador2
dc.contributor.advisor2IDhttps://orcid.org/
dc.contributor.advisor2Latteshttp://lattes.cnpq.br/
dc.contributor.authorLudke, Fabio Giesen
dc.contributor.authorIDhttps://orcid.org/
dc.contributor.authorLatteshttp://lattes.cnpq.br/
dc.contributor.referee11º membro da banca
dc.contributor.referee1IDhttps://orcid.org/
dc.contributor.referee1Latteshttp://lattes.cnpq.br/
dc.contributor.referee22º membro da banca
dc.contributor.referee2IDhttps://orcid.org/
dc.contributor.referee2Latteshttp://lattes.cnpq.br/
dc.contributor.referee33º membro da banca
dc.contributor.referee3IDhttps://orcid.org/
dc.contributor.referee3Latteshttp://lattes.cnpq.br/
dc.contributor.referee44º membro da banca
dc.contributor.referee4Latteshttp://lattes.cnpq.br/
dc.contributor.referee55º membro da banca
dc.contributor.referee5IDhttps://orcid.org/
dc.contributor.referee5Latteshttp://lattes.cnpq.br/
dc.contributor.referee66º membro da banca
dc.contributor.referee6IDhttps://orcid.org/
dc.contributor.referee6Latteshttp://lattes.cnpq.br/
dc.contributor.referee77º membro da banca
dc.contributor.referee7IDhttps://orcid.org/
dc.contributor.referee7Latteshttp://lattes.cnpq.br/
dc.date.accessioned2024-09-18T22:29:40Z
dc.date.available2024-09-18T22:29:40Z
dc.date.issued2020-05-27
dc.description.abstractThis Master Thesis presents the study of fiber Bragg grating (FBG) sensors applied in the measurement of water and oil interface level. Using industrial rubber diaphragms, which has a fiber Bragg grating installed inside, it is possible to measure the level of interface water-oil. The measurement is performed by monitoring the pressure change on each diaphragm caused by the variation in the interface level. The FBG sensors are non-conductive, resistant to electromagnetic interference (EMI) and they are intrinsically safe to be installed in explosive environments. Techniques of FBG inscription known as phase mask and plane-by-plane have been used to manufacture the fiber sensors. Using a spectrometer, the coupled light propagating through the fiber sensor can be interrogated. The analyzes are performed searching for the central wavelength for each FBG used. The stress on the FBG causes a shift in the central wavelength proportional to the level of the interface between the different fluids, for example water and oil. Thus, as water and oil have different densities and depending on the amount of material that is inside the tank, the diaphragms with FBG undergoing higher or lower deformation and causing a proportional wavelength shift variation of the FBG peak. The main materials used in the production of the FBG sensors are silica optical fiber, thermoplastic polyurethane and nitrile rubber. Nitrile rubber corrosion resistant, including use in the oil industry. A methodology was developed for production of FBG sensors with diaphragms printed on the 3D printer and using the nitrile rubber vulcanization. The sensor developed through the vulcanization of nitrile diaphragms with FBG inside was produced using a press system with temperature control. The influence caused by the variation in the diaphragm thickness is observed in the tests with diaphragms produced on 3D printer. This variation doesn’t change the linearity of the system, but change its sensitivity. The measured sensitivities were 7.5 pm/kPa and 5.2 pm/kPa for the diaphragm of 1.2 mm and 2 mm, respectively. The operating range of this interface level sensor varies from 0 to 78 cm. The resolution of the system is approximately 0.01 cm. For interface levels ranging from 0 cm to 78 cm, the standard deviation varied from 0.13 to 0.28, respectively. The average differences calculated for interface levels varying between 0 cm and 78 cm, resulted in standard deviation ranging from 1.09 to 0.43, respectively. It was possible to identify the oil and water interface level in the tests with nitrile diaphragms. As a result, an equation was obtained, where it is possible to determine the interface level through the diaphragm deformation, showing this system has potentiallity to evolve to a product in the near future
dc.description.resumoresumo
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.formatText
dc.identifier.urihttp://repositorio.ufes.br/handle/10/17810
dc.languagepor
dc.language.isopt
dc.publisherUniversidade Federal do Espírito Santo
dc.publisher.countryBR
dc.publisher.courseMestrado em Engenharia Elétrica
dc.publisher.departmentCentro Tecnológico
dc.publisher.initialsUFES
dc.publisher.programPrograma de Pós-Graduação em Engenharia Elétrica
dc.rightsopen access
dc.subjectPalavra-chave
dc.subject.cnpqEngenharia Elétrica
dc.titleSensores de nível de interface água-óleo em fibra óptica baseados em grades de Bragg
dc.typemasterThesis
foaf.mboxemail@ufes.br
Arquivos
Pacote Original
Agora exibindo 1 - 1 de 1
Imagem de Miniatura
Nome:
FabioGiesenLudke-2020-dissertacao.pdf
Tamanho:
16.78 MB
Formato:
Adobe Portable Document Format
Descrição:
Baixar
Licença do Pacote
Agora exibindo 1 - 1 de 1
Imagem de Miniatura
Nome:
license.txt
Tamanho:
1.71 KB
Formato:
Item-specific license agreed upon to submission
Descrição:
Baixar
Coleções
Mestrado em Engenharia Elétrica